226788691887677 has 16 divisors (see below), whose sum is σ = 232691749954560. Its totient is φ = 220950987234432.

The previous prime is 226788691887631. The next prime is 226788691887679. The reversal of 226788691887677 is 776788196887622.

It is a cyclic number.

It is not a de Polignac number, because 226788691887677 - 2²⁰ = 226788690839101 is a prime.

It is a super-2 number, since 2×226788691887677² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226788691887679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20488277 + ... + 29552442.

It is an arithmetic number, because the mean of its divisors is an integer number (14543234372160).

Almost surely, 2^{226788691887677} is an apocalyptic number.

It is an amenable number.

226788691887677 is a deficient number, since it is larger than the sum of its proper divisors (5903058066883).

226788691887677 is a wasteful number, since it uses less digits than its factorization.

226788691887677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50041372.

The product of its digits is 76473040896, while the sum is 92.

The spelling of 226788691887677 in words is "two hundred twenty-six trillion, seven hundred eighty-eight billion, six hundred ninety-one million, eight hundred eighty-seven thousand, six hundred seventy-seven".